Home / 930,077.49-1,283,407.84-522,223.86

Finding the Fourth Proportional to 930,077.49, 1,283,407.84 and 522,223.86

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Solution

The fourth proportional to 930,077.49, 1,283,407.84 and 522,223.86 is: 720,613.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,077.49 : 1,283,407.84 = 522,223.86 : x
  2. Step 2: Convert to fraction form
    930,077.49/1,283,407.84 = 522,223.86/x
  3. Step 3: Cross multiply
    930,077.49x = 1,283,407.84 × 522,223.86
  4. Step 4: Simplify right side
    930,077.49x = 670,226,194,405.45
  5. Step 5: Solve for x
    x = 670,226,194,405.45/930,077.49
  6. Step 6: Final answer
    x = 720,613.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.